[GitHub] [incubator-mxnet] szha commented on pull request #12512: [MXNET-938] Allow fusing weight ahead of calling forward()

[GitHub]

The fused parameter wouldn't reflect updates in the parameters.
```
In [1]: import mxnet as mx

In [2]: a = mx.nd.arange(5)

In [3]: b = mx.nd.ones((3,))

In [4]: c = mx.nd.concat(a, b, dim=0)

In [5]: c
Out[5]:

[0. 1. 2. 3. 4. 1. 1. 1.]
<NDArray 8 @cpu(0)>

In [6]: a[0] = 5

In [7]: a
Out[7]:

[5. 1. 2. 3. 4.]
<NDArray 5 @cpu(0)>

In [8]: c
Out[8]:

[0. 1. 2. 3. 4. 1. 1. 1.]
<NDArray 8 @cpu(0)>
```

[ Full content available at: 
https://github.com/apache/incubator-mxnet/pull/12512 ]
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